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Patterns of these UFOs appearance and behavior suggest a limited range of sizes and shapes of unidentified craft, despite the often-desperate efforts on the part of the American and other governments to discount them as nothing more substantial than mistakes made by naïve individuals. Their performance, observed repeatedly by expert witnesses, remains as far off the scale today as it was in the 1940s.

Patterns of these UFOs appearance and behavior suggest a limited range of sizes and shapes of unidentified craft, despite the often-desperate efforts on the part of the American and other governments to discount them as